Valve.



E. FISHER.

VALVE.

APPLICATION FILED AUG-28, 1912.

1,157,641. Patented 001119, 1915.

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EMANUEL FISHER, OF PROVIDENCE, RHODE ISLAND.

VALVE.

Specification of Letters latent.

Patented Oct. 19, 1915.

Application filed August 28, 1912. Serial No. 717.455.

T 0 aZZ whom it may concern Be it known that I, EMANUEL FISHER, acitizen of the United States, residing at Providence, in the county ofProvidence and State of Rhode Island, have invented certain new anduseful Improvements in Valves, of which the following is aspecification.

My invention relates to valves, and its essential objects are to providemeans for compensating for the wear-upon the valve and its seat; toprevent leakage; to afford means for successively presenting a pluralltyof valve faces to the valve seat; to automatically square the valve uponits seat; and to attain these ends in a simple and inexpensivestructure.

To the above ends essentially my invention consists in such parts andsuch combinations of parts as fall within the scope of the appendedclaims. a

In the accompanying drawings which form a part of this specification,Figure 1, is a vertical central section of a valve casing showingmounted therein partially in side elevation the novel valve member, Fig.2, a side elevation, partially in section of my novel valve and seat,Figs. 3, 4, and 5, similar partial elevations of the same showingsuccessive positions of the valve faces, Fig. 6, a similar elevation ofa modified form of the same, Fig. 7, a. transverse central section of amodified form of my valve seat, and Fig. 8, a side elevation of amodified arrangement of the valve and holder.

Like characters of reference indicate like parts through the views.

In the present instance my invention is shown in connection with avusual valve casing comprising the shell A, head B, cap nut C, partitionD.

E is the valve stem. Upon the bottom of the stem -E, is mounted a holderor yoke. In the form thereof herein shown the holder F, comprises ahorizontal body portion 7 pro vided with a central i opening f slightlygreater diameter than the diameter of the stem E, which passestherethrough. The

holder has downwardly directed ears upon each end of the portion f,provided with perforations f to receive screws f loosely engaging inthreaded openings f in a rectangular or substantially cube shaped valvebody G. The lower endqof the stem E, is expanded as at 6, so as topresent to the lower face ofthe holder F, a support;

The body G, is preferably slightly interspaced from. the body f, of theholder to permit a limited pivotal movement of the former. It is alsoadvantageous to provide the bottom of the stem E with a convex face a tocontactwith the valve body G, which may if desired be provided withaconcavity to receive said face. The described c0nstruction of stem andholder facilitates the accurate seating of the valve upon its seat. a

In detail, the valve body G is provided with four acting faces 5/, g, g9 The face 9 of the valve body is provided with a comparatively deep,preferably, circular, recess .h, forming an annular inclosing wall it.The opposite face 9 of the valve is provided with a similar recess 6 ofless depth and diameter than the recess it, forming the wall 2'. Oneface 9 is provided with acircular fiat elevation j, While the oppositeface 5/ is perfectly flat.

The partition. D is provided with a valve seat comprising external andinternal stepped faces adapted to cooperate with the various faces ofthe valve G. lathe present instance the seat comprises an externalannular elevated shoulder or step it, and a second annular externalshoulder Z thereon, of less diameter than the shoulder 70. Upon theinterior. of the seat is an annular shoulder or step m. The diameters ofthe cavity h and the shoulder is are equal, and the depth of said cavityis equal to or slightly morethan the combined height of the shoulders laand Z. The diameters of the cavity 91 and the exterior face of theshoulder or step Z, are equal, while the depth of the cavity equals orslightly exceeds the depth of the latter step. The diameter ofthe'elevation 9' equals the diameter of the innerface of the 7 step Z,and is of the same depth as the latter or slightly greater.

The valve G is preferably initially mounted with the parts as showninFigs. 1 and 2, namely, having the face 9 in cooperation with the seat.The wall of the cavity it embraces the outer face of the shoulder whilethe face 9 contacts with face ofthe partitionor seat D. After wear ofthe contacting parts, the valve G may, by the removal and reinsertion ofthe screws f, be swung around to bring the face g" downwardly, as shownin Fig. 3. The cavity wall embraces the exterior of the step Z, and theface 9 contacts with the upper face of the step is; After excessive wearof the acting 35 combination of a valve seatcomprising a =holder F,uwhose earsf are of increased faces in the described position, thevalve is turned to bring the face g downward as shown in Fig. l. Theface of the elevation j rests upon the upper face of the step. m,

y and the side face of-the elevation j is adjacent to the inner face ofthe step Z.

' Another, and final position of the valve is that shown in Fig. 5wherein the face 9 is downward and rests upon the top face of theshoulder Z. If desired, the side faces of the steps of theseat may bebeveled as at k and Z and the side of the elevation j may be beveled asat j Ihewallsof the cavities h and a", are then also beveled as h and 2'all as shown inFig. 6.. The number of outslde and inside stepsconstituting the valve seat maybe increased to any desired number InFig? is shown'atm an additional step.

In Fig. 8, is showna-modified form of length, so as to permit the valveG to be rotated without the necessity of removing anypivotscrews thelatter having a perplurality of steps, and a valve comprising faces, oneof said faces being provided with a cavity adapted to embrace one step,and another face provided with a cavity of less diameter than the firstcavity and adapted to embrace another step. 1

3. In a device of the type set forth, the

combination of avalve seat comprising external steps and an internalstep,and a valve comprising'a plurality of faces, certain of said facesbeing provided with cavities, and

'. an elevation upon another of said faces, said valve being'rotatablymounted whereby the said cavities. may be brought successively intoposition to embrace the external steps, and the elevation may be broughtinto position to engagethe internal step.

' 4. In a device of the type set forth, the combination'of a valve seatcomprising two external annular steps of successively less diameterupwardly,and an internal annular '1 step, and a valve comprising fouroperating faces one of said faces being provided with a cavity adaptedtoreceive as'a sliding fit the external-step of greater diameter, anotherof said faces being provided with a cavity '1 of less depth and diameterthan the first Coiitesoifithis' patent may be obtained for combinationwith the valve casin g and valve seat, of a cube valve mounted in thecasing in alinement with the seat, a yoke pivotally attached to oppositesides of the valve, and a valve stem in the casing loosely engaging theyoke.

7. In a device of the type set forth, the combination with the casingand valve seat, of a cube valve mounted in the casing above the seat, ayoke comprising a horizontal body portion provided with an opening, andears extending downwardly from the ends of thebody portion, pivotmembers connecting the ears with opposite sides of the valve, and avalve stem mounted in the casing and engaging the yoke through theopening.

8. In a device of the type set forth, the combination with the valve casing of a valve seat comprising a plurality of steps, a cube valvecomprising a plurality of operating faces upon its perimeter, a yokepivotally connected with the opposite sides of the valve, a valve stemengaging the yoke, two of said valve faces being provided with cavitiesadapted to receive individual steps.

9. In a device of the type set forth, the combination with the valvecasing and valve seat, of a cube valve in the casing adjacent the seat,a yoke pivotally connected with the valve, and a valve stem in the carsing supporting the yoke.

10. In a device of the type set forth, the combination with the valvecasing and a valve seat, of a cube valve in the casing adjacent theseat, a yoke pivotally connected with the valve, and a valve stem in thecusing supporting the yoke and movable toward and away from the seat.

11. In a device of the type set forth, the combination with the valvecasing and valve seat, of a valve stem in the casing movable toward andaway from the seat, a yoke upon the valve stem, and a cube valverotatably mounted in the yoke.

In testimony whereof I have ai'iixed my signature in presence of twowitnesses.

ElvIANUEL FISHER.

Witnesses Honsr o E. BnLLows, FRANK Srnnnn.

five cents each, by addressing the Commissioner of Patents,

Washington; D. C.

